/*
 * Copyright 2012-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.boot.autoconfigure.web.servlet.error;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.springframework.http.HttpStatus;
import org.springframework.web.servlet.ModelAndView;

/**
 * 可以由实现错误视图解析的 Bean 实现的接口。
 *
 * @author Phillip Webb
 * @since 1.4.0
 */
@FunctionalInterface
public interface ErrorViewResolver {

	/**
	 * 为指定的错误详情解析一个错误视图。
	 * @param request 发生错误的原始请求
	 * @param status 错误的 HTTP 状态码
	 * @param model 建议用于视图的模型数据
	 * @return 解析后的 {@link ModelAndView} 实例，或者 {@code null}（表示无法解析）
	 */
	ModelAndView resolveErrorView(HttpServletRequest request, HttpStatus status, Map<String, Object> model);

}
